It Is Believed That the Median Yearly Income in a Suburb

Multiple Choice

It is believed that the median yearly income in a suburb of Atlanta is $70,000. A sample of 67 residents was taken. Thirty-eight had yearly incomes above $70,000, 26 had yearly incomes below $70,000, and 3 had yearly incomes equal to $70,000. The null hypothesis to be tested is H₀: Median = $70,000. To test the null hypothesis, the appropriate probability distribution to use is

A) normal.
B) chi-square.
C) t distribution.
D) binomial.